5 * Copyright (C) 2005 Mike Isely <isely@pobox.com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #ifndef __PVRUSB2_I2C_CORE_H
22 #define __PVRUSB2_I2C_CORE_H
24 #include <linux/list.h>
25 #include <linux/i2c.h>
28 struct pvr2_i2c_client;
29 struct pvr2_i2c_handler;
30 struct pvr2_i2c_handler_functions;
32 struct pvr2_i2c_op_functions;
34 struct pvr2_i2c_client {
35 struct i2c_client *client;
36 struct pvr2_i2c_handler *handler;
37 struct list_head list;
40 unsigned long pend_mask;
41 unsigned long ctl_mask;
44 struct pvr2_i2c_handler {
46 const struct pvr2_i2c_handler_functions *func_table;
49 struct pvr2_i2c_handler_functions {
50 void (*detach)(void *);
52 void (*update)(void *);
53 unsigned int (*describe)(void *,char *,unsigned int);
57 int (*check)(struct pvr2_hdw *);
58 void (*update)(struct pvr2_hdw *);
62 void pvr2_i2c_core_init(struct pvr2_hdw *);
63 void pvr2_i2c_core_done(struct pvr2_hdw *);
65 int pvr2_i2c_client_cmd(struct pvr2_i2c_client *,unsigned int cmd,void *arg);
66 int pvr2_i2c_core_cmd(struct pvr2_hdw *,unsigned int cmd,void *arg);
68 int pvr2_i2c_core_check_stale(struct pvr2_hdw *);
69 void pvr2_i2c_core_sync(struct pvr2_hdw *);
70 unsigned int pvr2_i2c_report(struct pvr2_hdw *,char *buf,unsigned int maxlen);
71 #define PVR2_I2C_DETAIL_DEBUG 0x0001
72 #define PVR2_I2C_DETAIL_HANDLER 0x0002
73 #define PVR2_I2C_DETAIL_CTLMASK 0x0004
74 #define PVR2_I2C_DETAIL_ALL (\
75 PVR2_I2C_DETAIL_DEBUG |\
76 PVR2_I2C_DETAIL_HANDLER |\
77 PVR2_I2C_DETAIL_CTLMASK)
79 void pvr2_i2c_probe(struct pvr2_hdw *,struct pvr2_i2c_client *);
80 const struct pvr2_i2c_op *pvr2_i2c_get_op(unsigned int idx);
82 #endif /* __PVRUSB2_I2C_CORE_H */
86 Stuff for Emacs to see, in order to encourage consistent editing style:
87 *** Local Variables: ***
89 *** fill-column: 75 ***
91 *** c-basic-offset: 8 ***